What’s the velocity of a sound wave traveling through air at a temperature of 20°c (68°f)?

You are a scientist who has been sent on a special mission to study plants and animals in south asia! your destination is an important forest in eastern india. you need to travel to 17°n latitude and 83°e longitude. which star should you travel to?

Aplane cuts a pyramid as shown in the diagram. what is the shape of the cross section? a. a hexagon b. a pentagon c. a square d. a triangle

What was on result of the potato famine